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20 Questions Work with a partner and write your responses on the handout in the right column 1. What process is illustrated below? 2. What type of organisms are shown below? • 3. What type of organisms break down dead material and give back the nutrients to the soil so it can be used again by plants? 4. Name 2 abiotic factors shown in the ecosystem below 5. Name a carnivore shown in the ecosystem below 6. What type of organism is shown below? 7. Species, like the one shown below, that are not local to the ecosystem are called… 8. What process is illustrated below? 9. Name an herbivore shown in the ecosystem below • 10. What two things do cells need to give an organisms body energy (Respiration) • 11. What 3 things do plants need to make food and oxygen (Photosynthesis) 12. What would happen to plants at the bottom of a pond if there was an algae bloom? Why? • 13. Another word for primary consumer is ______________ 14. Zebramussels are exotic, have no predators and rabidly feed on Lake Champlain’s producers and primary consumers. Predict the short-term an long-term effects of zebramussels in the ecosystem 15. Biotic or Abiotic? 16. Biotic or Abiotic? 17. Carnivore, Omnivore, Herbivore, Decomposer or Producer? 18. Carnivore, Omnivore, Herbivore, Decomposer or Producer? 19. Carnivore, Omnivore, Herbivore, Decomposer or Producer? 20. Predict the short-term and long-term effects of deforestation 20 Answers Switch with another partner and grade their review quiz. For any incorrect answers, record the correct response in the left column 1. Photosynthesis 2. Producers 3. Decomposers • 3. What type of organisms break down dead material and give back the nutrients to the soil so it can be used again by plants? 4. Sun, water (could say air or dirt too) 5. Osprey, big fish, frog 6. Decomposer 7. Exotic Species 8. Respiration 9. Rabbit, fish, dragon fly 10. Food and oxygen • 10. What two things do cells need to give an organisms body energy (Respiration) 11. Sunlight, water, carbon dioxide • 11. What 3 things do plants need to make food and oxygen (Photosynthesis) 12. What would happen to plants at the bottom of a pond if there was an algae bloom? Why? • They would start to die off because they wouldn’t receive sunlight because the algae would be clocking it at the surface. 13. Herbivore • 13. Another word for primary consumer is ______________ 14. Zebramussels are exotic, have no predators and rapidly feed on Lake Champlain’s producers and primary consumers. Predict the short-term an long-term effects of zebramussels in the ecosystem At first Zebramussels will overpopulate and many native species will die off because the zebra mussels are eating their food source. Overtime, when they’re food sources begin to diminish from them over eating, their numbers will decrease. 15. Biotic 16. Abiotic? 17. Omnivore, 18. Decomposer (bacteria) 19. Carnivore 20. Predict the short-term and long-term effects of deforestation The loss of producers will first affect primary consumers and organisms the use the forest for shelter and roaming habitat. Overtime, deforestation can cause a mass extinction of species, particularly in the rain forest which is home to more than half of the species on earth. Hand back scored quizzes and complete the self evaluation